89 lines
2.8 KiB
Python
Executable file
89 lines
2.8 KiB
Python
Executable file
#!/usr/bin/env python3
|
|
# coding=utf-8
|
|
#
|
|
# Copyright (C) 2014 Martin Owens, email@doctormo.org
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software
|
|
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
#
|
|
"""
|
|
An extension to export multiple svg files from a single svg file containing layers.
|
|
|
|
Each defs is duplicated for each svg outputted.
|
|
"""
|
|
|
|
from __future__ import unicode_literals
|
|
import os
|
|
import sys
|
|
import copy
|
|
import tarfile
|
|
import io
|
|
import calendar
|
|
import time
|
|
import inkex
|
|
|
|
|
|
class TarLayers(inkex.OutputExtension):
|
|
"""Entry point to our layers export"""
|
|
|
|
def make_template(self):
|
|
"""Returns the current document as a new empty document with the same defs"""
|
|
newdoc = copy.deepcopy(self.document)
|
|
for name, layer in self.layers(newdoc):
|
|
layer.getparent().remove(layer)
|
|
return newdoc
|
|
|
|
def layers(self, document):
|
|
for node in document.getroot().iterchildren():
|
|
if isinstance(node, inkex.Layer) and node.label:
|
|
yield (node.label, node)
|
|
|
|
def io_document(self, name, doc):
|
|
string = io.BytesIO()
|
|
doc.write(string)
|
|
info = tarfile.TarInfo(name=name + ".svg")
|
|
info.mtime = calendar.timegm(time.gmtime())
|
|
info.size = string.tell()
|
|
string.seek(0)
|
|
return dict(tarinfo=info, fileobj=string)
|
|
|
|
def save(self, stream):
|
|
"""Save the tar file output"""
|
|
tar = tarfile.open(fileobj=stream, mode="w|")
|
|
|
|
# Switch stdout to binary on Windows.
|
|
if sys.platform == "win32":
|
|
import msvcrt
|
|
|
|
try:
|
|
msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)
|
|
except io.UnsupportedOperation:
|
|
pass # The .fileno() function is not available during pytest runs
|
|
|
|
template = self.make_template()
|
|
|
|
previous = None
|
|
for name, _layer in self.layers(self.document):
|
|
layer = copy.deepcopy(_layer)
|
|
if previous != None:
|
|
template.getroot().replace(previous, layer)
|
|
else:
|
|
template.getroot().append(layer)
|
|
previous = layer
|
|
|
|
tar.addfile(**self.io_document(name, template))
|
|
|
|
|
|
if __name__ == "__main__": # pragma: no cover
|
|
TarLayers().run()
|